My best friend need a boyfriend her name is eryn and 16 she pretty and funny and fun to talk to and very special and her name on her is eryn16

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.